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P: Ch.9 Work & Machines
Work, Power, Simple Machines
10
Physics
8th Grade
01/31/2011
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Term
Work
 Definition
done when a force causes an object to move in the same direction that the force is applied.
Term
the same
 Definition
work is only when an object is moving in ___________direction
Term
work
 Definition
force x distance
Term
unit for Work
 Definition
Joules
Term
Power
 Definition
how quickly work is done.
Term
Power
 Definition
work/ time
Term
unit for power
 Definition
Watt
Term
gravity
 Definition
9.8 m/s
Term
formula for Force
 Definition
F= mass x 9.8 (a)
Term
One calorie is equal to ___J
 Definition
4.19
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